package com.ruoyi.web.controller.system;

import com.ruoyi.common.constant.Constants;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.core.domain.entity.SysMenu;
import com.ruoyi.common.core.domain.entity.SysUser;
import com.ruoyi.common.core.domain.model.LoginBody;
import com.ruoyi.common.core.redis.RedisCache;
import com.ruoyi.common.exception.ServiceException;
import com.ruoyi.common.utils.SecurityUtils;
import com.ruoyi.common.utils.SmsUtil;
import com.ruoyi.common.utils.StringUtils;
import com.ruoyi.framework.web.service.SysLoginService;
import com.ruoyi.framework.web.service.SysPermissionService;
import com.ruoyi.system.service.ISysConfigService;
import com.ruoyi.system.service.ISysMenuService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RestController;

import javax.annotation.Resource;
import java.util.List;
import java.util.Set;
import java.util.concurrent.ThreadLocalRandom;
import java.util.concurrent.TimeUnit;

/**
 * 登录验证
 *
 * @author ruoyi
 */
@RestController
public class SysLoginController
{
    @Autowired
    private SysLoginService loginService;

    @Autowired
    private ISysMenuService menuService;

    @Autowired
    private SysPermissionService permissionService;

    @Resource
    private RedisCache redisCache;

    @Autowired
    private ISysConfigService configService;

    /**
     * 登录方法
     *
     * @param loginBody 登录信息
     * @return 结果
     */
    @PostMapping("/login")
    public AjaxResult login(@RequestBody LoginBody loginBody)
    {
        AjaxResult ajax = AjaxResult.success();
        if(configService.selectSmsCodeEnabled()) {
            if (redisCache.hasKey(loginBody.getMobile())) {
                String smsRealCode = redisCache.getCacheObject(loginBody.getMobile());
                if (!loginBody.getSmsCode().equals(smsRealCode)) {
                    throw new ServiceException("验证码不正确！");
                }
            } else {
                throw new ServiceException("验证码已失效，请重新获取！");
            }
        }
        // 生成令牌
        String token = loginService.login(loginBody.getUsername(), loginBody.getPassword(), loginBody.getCode(),
                loginBody.getUuid());
        if(configService.selectSmsCodeEnabled() && !StringUtils.isEmpty(token)){
            // 登录成功，手机号验证码则失效掉
            if (redisCache.hasKey(loginBody.getMobile())) {
                redisCache.deleteObject(loginBody.getMobile());
            }
        }
        ajax.put(Constants.TOKEN, token);
        return ajax;
    }

    /**
     * 获取手机验证码
     *
     * @param mobile 手机号
     * @return 结果
     */
    @GetMapping("/getSmsCode")
    public void getSmsCode(String mobile) {
        // TODO 验证手机号是否被注册，否则返回提示
        if (true) {
            String code = String.format("%06d", ThreadLocalRandom.current().nextInt(1000000));
            SmsUtil.send(mobile, code);
            // 缓存验证码到redis中，用于登录认证，时效10min
            redisCache.setCacheObject(mobile,code,6000, TimeUnit.SECONDS);
        }
    }

    /**
     * 获取用户信息
     *
     * @return 用户信息
     */
    @GetMapping("getInfo")
    public AjaxResult getInfo()
    {
        SysUser user = SecurityUtils.getLoginUser().getUser();
        // 角色集合
        Set<String> roles = permissionService.getRolePermission(user);
        // 权限集合
        Set<String> permissions = permissionService.getMenuPermission(user);
        AjaxResult ajax = AjaxResult.success();
        ajax.put("user", user);
        ajax.put("roles", roles);
        ajax.put("permissions", permissions);
        return ajax;
    }

    /**
     * 获取路由信息
     *
     * @return 路由信息
     */
    @GetMapping("getRouters")
    public AjaxResult getRouters()
    {
        Long userId = SecurityUtils.getUserId();
        List<SysMenu> menus = menuService.selectMenuTreeByUserId(userId);
        return AjaxResult.success(menuService.buildMenus(menus));
    }
}
